:root{
  --brand:#61b02c; --brand-dark:#528f26; --forest:#031906; --ink:#232f3e;
  --muted:#475569; --hair:#e8e8e8; --bad:#d4403a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.5}
img{max-width:100%}
[hidden]{display:none!important}

.co-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* header */
.co-top{background:var(--forest)}
.co-top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.co-top img{height:56px;width:auto;display:block}
.co-top-link{color:#fff;font-size:14px;text-decoration:none;opacity:.85}
.co-top-link:hover{opacity:1}

.co-wrap{padding:clamp(28px,4vw,56px) 0 clamp(40px,6vw,80px);min-height:60vh}
.co-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:clamp(24px,4vw,48px);align-items:start}

/* steps */
.co-steps{display:flex;align-items:center;gap:14px;margin-bottom:26px;font-size:14px;font-weight:600}
.co-step{display:flex;align-items:center;gap:10px;color:#94a3b8;white-space:nowrap}
.co-step b{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;
  background:#e8eaee;color:#64748b;font-size:12px}
.co-step.is-active{color:var(--ink)}
.co-step.is-active b,.co-step.is-done b{background:var(--forest);color:#fff}
.co-step.is-done{color:var(--ink)}
.co-bar{flex:1;height:1px;background:var(--hair)}

/* panels */
.co-title{font-family:Poppins,system-ui,sans-serif;font-weight:700;font-size:clamp(28px,3.2vw,40px);line-height:1.15;margin:0 0 14px;letter-spacing:-.01em}
.co-lede{margin:0 0 26px;color:var(--muted);font-size:15px;max-width:460px}
.co-payer{margin:0 0 8px;font-size:14px;color:var(--muted)}
.co-payer a{margin-left:6px;color:var(--brand-dark);font-weight:600}

/* fields */
.co-field{margin-bottom:18px}
.co-field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}
.co-field input,.co-card-box{width:100%;height:48px;border:1px solid var(--hair);border-radius:8px;padding:0 16px;
  font:inherit;font-size:15px;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
#co-raw input{width:100%;height:48px;border:1px solid var(--hair);border-radius:8px;padding:0 16px;font:inherit;font-size:15px;
  color:var(--ink);background:#fff;margin-bottom:12px}
#co-raw input:focus{outline:0;border-color:var(--forest);box-shadow:0 0 0 2px rgba(3,25,6,.9)}
#co-raw input.has-error{border-color:var(--bad)}
#co-raw .co-row{gap:12px}
.co-card-box{display:flex;align-items:center;padding:0 16px}
.co-card-box>*{width:100%}
.co-field input::placeholder{color:#a3acb9}
.co-field input:focus,.co-card-box.is-focus{outline:0;border-color:var(--forest);box-shadow:0 0 0 2px rgba(3,25,6,.9)}
.co-field.has-error input,.co-card-box.has-error{border-color:var(--bad)}
.co-err{display:none;color:var(--bad);font-size:12px;margin-top:5px}
.co-field.has-error .co-err,.co-err.show{display:block}
.co-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.co-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.co-submit{display:flex;align-items:center;justify-content:center;width:100%;height:54px;border:0;border-radius:6px;
  background:var(--forest);color:#fff;font:inherit;font-weight:600;font-size:15px;cursor:pointer;text-decoration:none;
  transition:background .15s,opacity .15s}
.co-submit:hover{background:#0a2a0e}
.co-submit:disabled{opacity:.6;cursor:default}
.co-inline{display:inline-flex;width:auto;padding:0 28px}
.co-note{margin:12px 0 0;text-align:center;font-size:12px;color:#7a8696}

.co-alert{display:none;margin:0 0 20px;padding:12px 16px;border-radius:8px;background:#fdecea;color:#8a1f1a;font-size:14px}
.co-alert.show{display:block}

.co-handoff{padding:8px 0}
.co-handoff p{margin:0 0 16px;color:var(--muted)}
.co-loading{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px;padding:12px 0}
.co-loading[hidden]{display:none}
.co-spinner{width:18px;height:18px;border:2px solid var(--hair);border-top-color:var(--forest);border-radius:50%;animation:co-spin .8s linear infinite}
@keyframes co-spin{to{transform:rotate(360deg)}}

/* summary */
.co-summary{border:1px solid var(--hair);border-radius:12px;padding:26px 24px;position:sticky;top:20px}
.co-cat{display:block;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#475569}
.co-summary h2{font-family:Poppins,system-ui,sans-serif;font-weight:700;font-size:24px;margin:8px 0 0}
.co-tag{margin:8px 0 0;font-size:13px;color:var(--muted)}
.co-summary hr{border:0;border-top:1px solid var(--hair);margin:14px 0 18px}
.co-price{display:flex;align-items:flex-end;gap:12px}
.co-now{font-family:Manrope,Poppins,sans-serif;font-weight:800;font-size:44px;line-height:1}
.co-was{color:#94a3b8;text-decoration:line-through;font-size:18px;line-height:1.2}
.co-term{margin:6px 0 16px;font-size:12px;color:#7a8696}
.co-summary ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.co-summary li{position:relative;padding-left:22px;font-size:13px}
.co-summary li::before{content:"\2713";position:absolute;left:0;top:0;font-weight:700;color:var(--ink)}
.co-more{margin:14px 0 0;font-size:12px;color:var(--muted)}

.co-empty{max-width:520px;margin:40px auto;text-align:center}
.co-empty h1{font-family:Poppins,sans-serif;font-size:30px;margin:0 0 12px}
.co-empty p{color:var(--muted);margin:0 0 24px}

.co-foot{border-top:1px solid var(--hair);padding:20px 0;font-size:13px;color:#7a8696;text-align:center}

@media (max-width:900px){
  .co-grid{grid-template-columns:1fr}
  .co-summary{position:static;order:-1}
}
@media (max-width:520px){
  .co-row{grid-template-columns:1fr;gap:0}
  .co-top img{height:44px}
}